It's family picnic day! Elmo is at the park with Mia and her dad, Frank. They're making Mia's family pasta salad, but they can't remember what the secret ingredient is. After a couple of guesses from friends, Mia's Papi, Dave, finally arrives at the picnic and reminds them that the secret ingredient is family. On their family picnics, all that mattered was that they were all together.